FR730429A - Perfectionnements aux sources lumineuses - Google Patents

Perfectionnements aux sources lumineuses

Info

Publication number
FR730429A
FR730429A FR730429DA FR730429A FR 730429 A FR730429 A FR 730429A FR 730429D A FR730429D A FR 730429DA FR 730429 A FR730429 A FR 730429A
Authority
FR
France
Prior art keywords
light sources
sources
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Foods Corp
Original Assignee
General Foods Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Foods Corp filed Critical General Foods Corp
Application granted granted Critical
Publication of FR730429A publication Critical patent/FR730429A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00—Electric arc lamps
    • H05B31/0018—Electric arc lamps in a closed vessel
    • H05B31/0027—Electric arc lamps in a closed vessel with special gasfilling
FR730429D 1931-01-22 1932-01-21 Perfectionnements aux sources lumineuses Expired FR730429A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US510412A US2046096A (en) 1931-01-22 1931-01-22 Electric light source

Publications (1)

Publication Number Publication Date
FR730429A true FR730429A (fr) 1932-08-12

Family

ID=24030625

Family Applications (1)

Application Number Title Priority Date Filing Date
FR730429D Expired FR730429A (fr) 1931-01-22 1932-01-21 Perfectionnements aux sources lumineuses

Country Status (3)

Country Link
US (1) US2046096A (fr)
FR (1) FR730429A (fr)
NL (1) NL40818C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2590152A (en) * 1945-01-16 1952-03-25 John T Kilbride Vacuum cleaner with sterilizing means
US2524588A (en) * 1949-05-04 1950-10-03 Charles E Bechtel Spark arrester
US3222567A (en) * 1962-03-09 1965-12-07 Sylvania Electric Prod Projection lamp

Also Published As

Publication number Publication date
US2046096A (en) 1936-06-30
NL40818C (fr)

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